Sad CatDifferential of the day, MDD v. Dysthymia. From the EofMDs:

Major depressive disorder (MDD) is a condition characterized by a long-lasting depressed mood or marked loss of interest or pleasure (anhedonia) in all or nearly all activities. Children and adolescents with MDD may be irritable instead of sad.

Dysthymic disorder is defined as a mood disorder with chronic (long-term) depressive symptoms that are present most of the day, more days than not, for a period of at least two years.


May 8, 2009
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